Greystone CDD5A100

The CDD5 Series CO2/Humidity/Temperature transmitter incorporates three sensors in one attractive wall mount or duct mount enclosure for the most efficient environmental monitoring and control system. It uses highly accurate and reliable Non-dispersive Infrared (NDIR), Thermoset Polymer based capacitance humidity sensor and curve matched thermistor combined with state-of-the-art digital linearization and temperature compensated circuitry in an attractive, low profile enclosure to monitor room CO2, humidity & temperature levels and provides a linear analog signal output of 4-20 mA, 0-5 or 0-10 Vdc signals. The CDD5 is available with CO2 ranges of 0-2000 ppm or 0-20,000 ppm (Dual-channel). An optional LCD display is available that is fully programmable to show only the parameters required.